DIPLOMAT® Deformity

Treatment of spinal deformities

DIPLOMAT Rod/Screw System - Infralaminar Hooks LSZ

Infralaminar hooks (LSZ) are a sensible alternative to pedicle screws for specific spinal sections. Their stability is comparable to that of pedicle screws.

The advantages of treating deformities using the hybrid technique

Dorsal systems with transpedicular screws as the basic element to stabilise the spine have become the gold standard for surgical treatment of spinal deformities and are used in most cases where correction of scoliosis or segmental fixation is required.If, however, there is a severe kyphotic or scoliotic spinal deformity, particularly one that is associated with a developmental disorder such as hypoplasia or aplasia of the pedicle that makes insertion of a screw more difficult, this raises the question of other fixation methods.Infralaminar hooks (LSZ) are a sensible alternative to pedicle screws for specific spinal sections. Their stability is comparable to that of pedicle screws. [1]

You can download the biomechanical study after registration here or view it directly here: Springer online

Additional advantages

Improved anchorage for hypoplastic pedicles on the concave side

Transfer of force for translation

Extension of the dorsal spine; consequently greater control of the sagittal profile

Lower implant density with no correction compromises

Product-specific advantages

Hook-based System

Secure positioning of the implants

Secure anchorage

Fixation of the hooks to the lamina

Force distribution across a number of anchors is possible

Surgery less traumatic

Reduced surgery time compared to systems based on pedicle screws

Reduced blood loss compared to treatment with pedicle screws

Safe and straightforward correction

Slow, continuous correction

Low radiation exposure

No need for intraoperative X-rays

Color-coding

Clearly identifiable implants and instrument selection

Straightforward tools

A small set of self-explanatory instruments

Titanium alloy TiAl6V4

Established biocompatible material

Opportunity for revision

Pedicle and vertebral body remain intact

Indications

DIPLOMAT

The system is indicated for stabilisation of the spine until solid spinal fusion is achieved in patients with:

Instability or malposition of the spine

Fractures

Postoperative or degenerative instability

Tumours and spondylodiscitis

Spondylolisthesis

Disc prolapse

Stenosis of the lumbar spine

Disc resection

Pathological lordosis/kyphosis/scoliosis

Degenerative segmental disease

Osteoporosis

Bone tumours (metastatic or primary)

Revision surgery

Rheumatic diseases with associated poor bone density/quality

The system is furthermore indicated in situations where external immobilisation by means of a plaster cast or splint is not possible.

LSZ3

The system is indicated for stabilisation of the thoracic/lumbar spine (T–L) in patients until solid fusion of the spine has been achieved after surgery:

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